/*
 *  tracker/SectionSwitcher.cpp
 *
 *  Copyright 2009 Peter Barth
 *
 *  This file is part of Milkytracker.
 *
 *  Milkytracker is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  Milkytracker is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with Milkytracker.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 *  SectionSwitcher.cpp
 *  MilkyTracker
 *
 *  Created by Peter Barth on 09.04.08.
 *
 */

#include "SectionSwitcher.h"
#include "Tracker.h"
#include "Screen.h"
#include "Container.h"
#include "SectionInstruments.h"
#include "SectionSamples.h"
#include "ScopesControl.h"
#include "PatternEditorControl.h"

#include "ControlIDs.h"

SectionSwitcher::SectionSwitcher (Tracker& tracker) :
    tracker(tracker),
    bottomSection(ActiveBottomSectionNone),
#ifdef __LOWRES__
    lowerSectionPage(ActiveLowerSectionPageMain),
#endif
    currentUpperSection(NULL)
{
}

// General bottom sections show/hide
void SectionSwitcher::showBottomSection(ActiveBottomSections section, bool paint /* = true*/)
{
    switch (bottomSection)
    {
        case ActiveBottomSectionInstrumentEditor:
            tracker.sectionInstruments->show(false);
            break;
        case ActiveBottomSectionSampleEditor:
            tracker.sectionSamples->show(false);
            break;
    }

    if (bottomSection != section)
        bottomSection = section;
    else
        bottomSection = ActiveBottomSectionNone;

    switch (bottomSection)
    {
        case ActiveBottomSectionInstrumentEditor:
            tracker.sectionInstruments->show(true);
            break;
        case ActiveBottomSectionSampleEditor:
            tracker.sectionSamples->show(true);
            break;
        case ActiveBottomSectionNone:
            tracker.rearrangePatternEditorControl();
            break;
    }

    if (paint)
        tracker.screen->paint();
}

void SectionSwitcher::showUpperSection(SectionAbstract* section, bool hideSIP /* = true*/)
{
    tracker.screen->pauseUpdate(true);
    if (currentUpperSection)
    {
        currentUpperSection->show(false);
    }
    if (section)
    {
        if (hideSIP)
            tracker.hideInputControl();

        section->show(true);
    }
    tracker.screen->pauseUpdate(false);
    tracker.screen->update();
    currentUpperSection = section;
}

#ifdef __LOWRES__
void SectionSwitcher::showSubMenu(ActiveLowerSectionPages section, bool repaint /* = true*/)
{
    // Hide everything first
    tracker.showSongSettings(false);
    tracker.showMainOptions(false);
    tracker.screen->getControlByID(CONTAINER_INSTRUMENTLIST)->show(false);
    tracker.screen->getControlByID(CONTAINER_LOWRES_TINYMENU)->show(false);
    tracker.screen->getControlByID(CONTAINER_LOWRES_JAMMENU)->show(false);

    tracker.scopesControl->show(false);
    tracker.screen->getControlByID(CONTAINER_SCOPECONTROL)->show(false);

    // Last active page was the "Jam"-section so the pattern editor has probably been resized
    // Check if it was resized and if so, restore original size
    if (lastLowerSectionPage == ActiveLowerSectionPageJam &&
        section != ActiveLowerSectionPageJam &&
        patternEditorSize != tracker.getPatternEditorControl()->getSize())
    {
        tracker.getPatternEditorControl()->setSize(patternEditorSize);
    }

    switch (section)
    {
        case ActiveLowerSectionPageMain:
            tracker.showMainOptions(true);
            tracker.hideInputControl(false);
            break;
        case ActiveLowerSectionPageSong:
            tracker.showSongSettings(true);
            tracker.hideInputControl(false);
            break;
        case ActiveLowerSectionPageInstruments:
            tracker.screen->getControlByID(CONTAINER_INSTRUMENTLIST)->show(true);
            tracker.screen->getControlByID(CONTAINER_LOWRES_TINYMENU)->show(true);
            tracker.hideInputControl(false);
            break;
        case ActiveLowerSectionPageScopes:
            tracker.scopesControl->show(true);
            tracker.screen->getControlByID(CONTAINER_SCOPECONTROL)->show(true);
            tracker.updateScopesControlButtons();
            tracker.hideInputControl(false);
            break;
        case ActiveLowerSectionPageJam:
        {
            PPControl* control = tracker.screen->getControlByID(CONTAINER_LOWRES_JAMMENU);
            ASSERT(control);
            patternEditorSize = tracker.getPatternEditorControl()->getSize();
            PPSize size(tracker.screen->getWidth(), control->getLocation().y);
            if (tracker.getPatternEditorControl()->getSize() != size)
                tracker.getPatternEditorControl()->setSize(size);
            tracker.hideInputControl();
            tracker.screen->getControlByID(CONTAINER_LOWRES_JAMMENU)->show(true);
            break;
        }
    }

    if (repaint)
        tracker.screen->paint();
}


void SectionSwitcher::switchToSubMenu(ActiveLowerSectionPages lsPageNew)
{
    // same page, nothing to do
    if (lsPageNew == lowerSectionPage)
        return;

    // remember what was currently active
    lastLowerSectionPage = lowerSectionPage;
    // apply new page
    lowerSectionPage = lsPageNew;

    updateSubMenusButtons(false);
    // make it visible
    showSubMenu(lowerSectionPage);
}

void SectionSwitcher::hideBottomSection()
{
    if (bottomSection != ActiveBottomSectionNone)
        showBottomSection(ActiveBottomSectionNone, false);
}

void SectionSwitcher::updateSubMenusButtons(bool repaint /* = true*/)
{
    PPContainer* container = static_cast<PPContainer*>(tracker.screen->getControlByID(CONTAINER_LOWRES_MENUSWITCH));

    for (pp_int32 i = 0; i < tracker.NUMSUBMENUS(); i++)
        static_cast<PPButton*>(container->getControlByID(BUTTON_0 + i))->setPressed(false);

    static_cast<PPButton*>(container->getControlByID(BUTTON_0 + lowerSectionPage))->setPressed(true);

    if (repaint)
        tracker.screen->paintControl(container);
}

#endif